2b+4g=21

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Solution for 2b+4g=21 equation: 


Simplifying
2b + 4g = 21

Solving
2b + 4g = 21

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '-4g' to each side of the equation.
2b + 4g + -4g = 21 + -4g

Combine like terms: 4g + -4g = 0
2b + 0 = 21 + -4g
2b = 21 + -4g

Divide each side by '2'.
b = 10.5 + -2g

Simplifying
b = 10.5 + -2g

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